assertEquals(expected, buffer[i], "Pattern mismatch at position " + i);
            }
        }

        @Test
        @DisplayName("Should handle chunks with negative values")
        void testChunksWithNegativeValues() {
            // Given
            byte[] sourceKey = new byte[SOURCE_KEY_SIZE];
            SrvCopychunk chunk = new SrvCopychunk(-1L, -100L, -1);